Miller Company's contribution format income statement for the most recent month is shown below: Sales (38,000 units) Total $ 304,000 Per Unit $ 8.00 Variable expenses Contribution margin Fixed expenses Net operating income Required: 190,000 114,000 5.00 $ 3.00 46,000 $ 68,000 (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 13%? 2. What is the revised net operating income if the selling price decreases by $1.30 per unit and the number of units sold increases by 19%? 3. What is the revised net operating income if the selling price increases by $1.30 per unit, fixed expenses increase by $9,000, and the number of units sold decreases by 5%? 4. What is the revised net operating income if the selling price per unit increases by 10%, variable expenses increase by 20 cents per unit, and the number of units sold decreases by 10%? 1. Net operating income 2. Net operating income 3. Net operating income 4. Net operating income